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Inverter problems Hello, I have a Heart Freedom 25 Inverter charger and have just installed a brand new battery bank. The charger performs as expected when running from the Alternator on my boat, but when running on mains power the system seems to have a problem. If I drain the batteries slightly and engage the charger the current increases steadily as it should to a very healthy maximum (100+ Amps). As the battery voltage approaches 13.8V the current reduces to a point somewhere around 1 Amp and the voltage never gets to the Accept voltage. The charger stays in Bulk charge mode and just dribbles power into the system. If I start the boat engine, the voltage increases to the Accept point quickly, the system switches to Acceptance charging mode, and the charge current hovers around 15Amps and slowly reduces (as it should). If I then stop the engine the voltage again drops to 13.8V and continues to fall until it reaches 13.1V at which point the system switches back to Bulk charge mode and dribbles back up to 13.8V. Is there any adjustment or setting that could be causing this? I'm very keen to get it sorted out as I don't want to damage my new batteries. Cheers Greg.

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 21 Answers

SOURCE: I have a motor home with a Trace inverter/charger.

More than likely you may a a relay that is stuck or not energizing which should switch the charging mode over automatically. Trace back from the generator to the charging circuit for the batteries. I'm not sure where the relay (or solinoid) would be located but you can be assured it is something in the charger sensing/switching circuit.

Good Luck! Gary

Posted on Mar 14, 2009

protek480
  • 1714 Answers

SOURCE: B&D 400W Inverter won`t run my laptop

Your numbers don't add up. Where are you 'seeing' 200volts. Your lap top power supply transformer uses 120 volts AC. Are you plugged into a 240 volt outlet or something? Your inverter should be 12 or 24 volts DC input; to AC power usually 120 volts AC. Check out you output plug, should read 110 - 120 volts AC

Posted on Jul 25, 2009

  • 3 Answers

SOURCE: I have an old Heart Freedom 20 charger/ inverter.

I have had a Heart Freedom 10 for over 10 years and have found it to be very reliable though slightly lacking in power if th a/c (just plugged in to fwd AC breaker)is on and I lose shore power or gen..
As MT1 says apply AC power to your main input then check the cooresponding pop up circut breaker for pwr in and through. your should get a transformer hum if power is getting to it and a depleted battery is hooked up. If you have a charged battery and a link you should get a led light and or a fault code of either a sequenced blinking light or a readout on the better remotes.
If this is not avilable just check all of the installed breakers for continuity before sending it in for repair as the shipping alone to and backwill be approx.$100.
Good luck. I am looking to upgrade to a freedom 20 now. There is a sell price on the net of $864.
Rick

Posted on Dec 09, 2009

nitrospawn
  • 290 Answers

SOURCE: Inverter beeps when I plug in extension cord. Nothing else

it is possible the alternator's power is higher than that of the inverter ,that is overload

Posted on Feb 25, 2010

motor1258
  • 6674 Answers

SOURCE: I have a 1000 Watt Inverter, along with a regular

Yes, just be sure connections are heavy enough wire, and obviously the inverter uses 12 vdc input. Hook jumper wires positive to positive, negative to negative, on all 12 volt batteries. Deep cycle batteries will work better than car batteries. Just remember, when re-charging them, that they last longer when charged slowly, so don't use a high amp setting on charger and to monitor them closely, and do it in a well ventilated area, away from any ignition sources.

Posted on Apr 15, 2010

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